#include <stdio.h>
#include <ctype.h>
#include <stdbool.h>
#define N 128
int main(void)
{
    char msg[N];
    printf("Enter message: ");
    for (int i = 0; i < N; i++) {
        msg[i] = getchar();
        if (msg[i] == '\n')
            break;
    }
    printf("In B1FF-speak: ");
    for (int i = 0; i < N, msg[i] != '\n'; i++) {
        switch (toupper(msg[i])) {
        case 'A':
            printf("4");
            break;
        case 'B':
            printf("8");
            break;
        case 'E':
            printf("3");
            break;
        case 'I':
            printf("1");
            break;
        case 'O':
            printf("0");
            break;
        case 'S':
            printf("5");
            break;
        case '\n':
            break;
        default:
            printf("%c", toupper(msg[i]));
            break;
        }
    }
    printf("!!!!!!!!!!\n");
    return 0;
}